In late May and early June, many people in the central and southeastern United States saw a bright red sun in the sky. Some ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest ... For instance, one study found that exposure ...

Firefly Aerospace's achievement, occurring toward the end of ... is a complex one, requiring the moon to not only be full, but for the Earth to pass perfectly between it and the sun.

The Milky Way, one of astronomy’s most dazzling phenomena, is our home galaxy with a disk of stars spanning more than 100,000 light years.